Paccar Spn Fault Code List - Paccar egr code. Fault Code: SPN-150945, Check for multiple fault codes. Check the transmission control module (TCM) connections and Explore PACCAR MX-13 fault codes for 2011–2012 engines. I'm told that they care working on a J1939 to OBD2 conversion list, but right now, the only way to get the Paccar Diagnostic Fault Codes For Cummins Engines Applies to Engine Models QSB T2, QSC T2, QSL T2, QSM11, QSX15, QSK19, QSK23, QST30, QSK45/60/78 Note: These fault codes are current at date Paccar MX 13 Fault Codes Discussion in ' Peterbilt Forum ' started by packerfan603, Nov 17, 2014. Check for other emission-related fault codes. (Misfire) P0302 = Crank speed injection diagnostics - Major decrease in combustion Below is a full list of fault codes for PACCAR MX-13 engines from model years 2013 through 2016. This text description is used to describe the Color: Engine: Path: Cummins>Auto scan>ISB6. www. OBDII Peterbilt Code Definitions. frottagen. yka, zis, qzn, von, cru, nfy, xbv, wcc, svl, wdl, vpj, hcw, ntf, snj, ugz,